Search a number
-
+
24720230 = 252472023
BaseRepresentation
bin101111001001…
…1001101100110
31201111220210002
41132103031212
522312021410
62241501302
7420055433
oct136231546
951456702
1024720230
1112a54747
128341832
135176a72
1433d6b8a
1522847a5
hex1793366

24720230 has 8 divisors (see below), whose sum is σ = 44496432. Its totient is φ = 9888088.

The previous prime is 24720229. The next prime is 24720247. The reversal of 24720230 is 3202742.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×247202302 = 1222179542505800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1236002 + ... + 1236021.

It is an arithmetic number, because the mean of its divisors is an integer number (5562054).

Almost surely, 224720230 is an apocalyptic number.

24720230 is a deficient number, since it is larger than the sum of its proper divisors (19776202).

24720230 is a wasteful number, since it uses less digits than its factorization.

24720230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472030.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 24720230 is about 4971.9442877007. The cubic root of 24720230 is about 291.3069430067.

Adding to 24720230 its reverse (3202742), we get a palindrome (27922972).

The spelling of 24720230 in words is "twenty-four million, seven hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 2472023 4944046 12360115 24720230